CE4

What does 065 mean?

The controller has entered a BUS-OFF state on the system bus (CAN) due to receiving too many faulty telegrams, leading to disconnection from the bus. This indicates a severe communication breakdown.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Verify the PE (Protective Earth) connection.

2. 4

   Check the CAN bus load and reduce the baud rate if necessary, observing cable length limitations.

3. 5

   Switch off monitoring by setting parameter C0595 = 3.